Robinson Helicopter R44

Service difficulty reports · 447

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Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = 'R44'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR IKJ2006F00000Rotor · failedRT MAGNETO HAD EXCESSIVE DROP AFTER STARTUP. TRIED CLEARING ENG AND FOUND ENGINE DIED ON THAT MAG. FOUND MAGNETO DISTRIBUTOR GEAR HAD 13 TEETH MISSING (ALL PIECES RECOVERED FROM THE MAG). REASSEMBLED WITH NEW PART. PILOT FLEW ABOUT AN HOUR NO PROBLEMS. NEXFeb 8, 2006 · N159RP · Robsin R44 · Magneto/DistributorSDR CA060208007Servo · leaking(CAN) DURING AN INSPECTION HYDRAULIC LEAKS WAS FOUND AROUND THE FWD AND AFT SERVOS.THE RT FWD SERVO S/N 0251 AND THE AFT SERVO S/N 0667 WERE REMOVED AND NEWLY OVERHAULED ARE BEING INSTALLED. (TC NR 20060208007)Feb 7, 2006 · Robsin R44 · Rotorcraft Servo SystemSDR CA060112011Pump · contaminatedDURING GROUND CHECK, THE PILOT NOTED PROBLEMS WITH FLIGHT CONTROL CHECK WITH HYDRAULICS. MAINTENANCE FOUND FERROUS DEBRIS IN THE FILTER. THE HYDRAULIC PUMP WAS REPLACED, AND SYSTEM FLUSHED. NO FURTHER DEFECTS FOUND. PUMP WAS SENT BACK TO MFG.Jan 5, 2006 · Robsin R44 · Hydraulic Pump (Electric/Engine), MainSDR BGI2006F00000Coil · failedOWNER COMPLAINED OF INTERMITTENT ROUGHNESS AND AT TIMES COMPLETE FAILURE OF RT MAG. UPON INVESTIGATION THE COIL GROUND WIRE WAS FOUND CHAFING ON THE DISTRIBUTOR GEAR TEETH. THE MULTISTRAND WIRES WERE COMPLETELY SEVERED AND ONLY A SMALL AMOUNT OF INSULATION WDec 23, 2005 · N8372H · Robsin R44 · Magneto/DistributorSDR AU510002030Muffler · failedMUFFLER ASSEMBLY COLLAPSED AROUND TAILPIPE IN AREA LOCATED UNDER THE HEATER SHROUD.Dec 12, 2005 · Robsin R44 · Engine Noise SuppressorSDR AU510001697Muffler · crackedMUFFLER CRACKED AND DISTORTED IN AREA OF TAILPIPE ATTACHMENT WELD.Dec 12, 2005 · Robsin R44 · Engine Noise SuppressorSDR AU510001640Muffler · cracked(AUS) MUFFLER CRACKED AND DISTORTED IN AREA OF TAILPIPE ATTACHMENT. (OTHER CAUSE: MATERIAL ) (CASA NR 510001640)Dec 12, 2005 · Robsin R44 · Engine Noise SuppressorSDR CA051208012Bolt · crackedBOLT WAS SENT FOR NDT AS PART OF THE 2200HR AIRCRAFT OVERHAUL. THE CRACK WAS FOUND ON THE MOUNTING TANGS THAT ARE PART OF THE BOLT HEAD. THIS CRACK COULD NOT BE SEEN BY A NORMAL VISUAL INSPECTION. THIS IS NOT THE FIRST TIME THIS BOLT HAS BEEN FOUND CRACKED Dec 5, 2005 · Robsin R44 · Main Rotor GearboxSDR CA051206007Actuator · wrong partSTARTER WAS REMOVED SLOW TO CRANK. OVERHAUL SHOP FOUND MOTOR BEARINGS FAILED/SEIZED. LINEAR ACTUATOR REMOVED WAS AN AFTER-MARKET AUTOMOTIVE PART, MADE BY UNIPOINT OF TAIWAN. THIS ACTUATOR (SOLENOID) DIFFERS FROM THE OEM PART: (1) ALIGNMENT OF MOUNTING HOLENov 29, 2005 · Robsin R44 · Engine StarterSDR CA051124004Anchor · crackedDURING AIRCRAFT, OVERHAUL THE PILOT/COPILOT SEAT BELT ATTACH POINTS WERE FOUND CRACKED.Nov 24, 2005 · Robsin R44 · Fuselage Main, Attach FittingsSDR CA060306003Shroud · worn(CAN) WORN AT END OVER ENGINE EXHAUST PIPE DUE TO LOOSENESS. REPLACED PART. (TC NR 20060306003)Nov 21, 2005 · Robsin R44 · Engine Collector/Tailpipe/NozzleSDR AU510001698Muffler · crackedMUFFLER CRACKED ON LT SIDE. LT COLLECTOR ALSO CRACKED.Nov 7, 2005 · Robsin R44 · Engine Noise SuppressorSDR CA060306002Control Box · failed(CAN) LONGITUDINAL TRIM NOT WORKING. REPLACED TRIM BOX. (TC NR 20060306002)Oct 15, 2005 · Robsin R44 · Stabilizer Control SystemSDR CA060306001Motor · failed(CAN) TRIM MOTOR NOT OPERATING. REPLACED TRIM. (TC NR 20060306001)Oct 1, 2005 · Robsin R44 · Stabilizer Control SystemSDR CA050929003Bolt · cracked(CAN) TRANSMISSION MOUNTING BOLT WAS REMOVED FOR 2200 HR AIRCRAFT OVERHAUL. CRACK UNDER HEAD WAS FOUND DURING NDT. THE CRACK CAN NOT BE SEEN WITH VISUAL INSPECTION. THE BOLT HAS ATLEAST 2200 HR. AIRCRAFT HAS 6366.9 HRS.Sep 26, 2005 · Robsin R44 · Main Rotor Transmission MountSDR CA050912005Air Filter · damaged(CAN) DURING AN 100 HR INSPECTION, THE AIR FILTER WAS BEING REPLACED. THE FILTER WAS FOUND DAMAGED AND REPLACED. INVESTIGATION REVEALED NO APPARENT REASON. THE PILOT WAS ASKED IF A BACKFIRE CONDITION OCCURRED AND NONE WAS EXPERIENCED AT THE TIME. THIS IS TSep 10, 2005 · Robsin R44 · Engine Air Intake SystemSDR CA050913009Reservoir · inoperative(CAN) HYDRAULIC FLUID FOUND VENTING FROM CAP. ALL FITTINGS AND LINES OF HYDRAULIC SYSTEM CHECKED. NO DEFECTS FOUND. GROUND RUN LEAK CHECK, AND STILL VENTING FROM CAP. HYDRAULIC RESERVOIR ASSEMBLY REPLACED. GROUND RUN AND LEAK CHECK, NO DEFECTS FOUND.Sep 1, 2005 · Robsin R44 · Hydraulic Reservoir, AuxiliarySDR CA050823008Alternator · failed(CAN) TWO BLADES LET GO ON THE COOLING FAN OF THE ALTERNATOR. PILOT DISCOVERED THIS DURING HIS DAILY INSPECTION. ONE OF THE BLADES WAS LODGED IN THE LOWER ENGINE COWL. THE SECOND BLADE WAS NOT FOUND. NO DAMAGE WAS FOUND ON ANY OTHER AREA OF THE AIRCRAFT.Aug 22, 2005 · Robsin R44 · Alternator-Generator DriveSDR CA050725001Magneto · failedAFTER DOING A NORMAL START AND MAGNETO DROP CHECK, THE A/C WAS IN A 20 FT HOVER PREPARING TO TAKEOFF FROM A REMOTE OIL PLANT SITE, WHEN A CHANGE IN ENGINE NOISE AND AN INCREASE IN MANIFOLD PRESSURE WAS NOTICED. THERE WAS NOT ENOUGH ENGINE POWER TO SUSTAIN A HJul 23, 2005 · Robsin R44 · Magneto/DistributorSDR CA050712015Anchor · failed(CAN) WHILE PREPARING TO START THE HELICOPTER PILOT REACHED TO LOCK HIS SEATBELT INTO THE BUCKLE. THE BUCKLE WAS LYING BETWEEN THE SEATS NEXT TO THE COLLECTIVE. UPON FURTHER INSPECTION IT WAS NOTED THAT THE ANCHOR TAB HAD BROKEN AWAY FROM THE C348-5 ANCHOR AJul 11, 2005 · Robsin R44 · Flight Compartment EquipmentSDR CA050706003Governor · overspeedWHILE MOVING HELICOPTER IN A HOVER, PILOT NOTICED A POWER ON OVERSPEED AT APROX 114 PERCENT ROTOR AND ENGINE. GOVERNOR WAS CONFIRMED TO BE ON BY THE PILOT. GOVERNOR SWITCH RESET BETWEEN OFF AND ON POSITION WITHOUT A CHANGE. IMMEDIATE LANDING CARRIED OUT. SJun 30, 2005 · Robsin R44 · Main Rotor Indicating SystemSDR CA050621002Sleeve · erodedDURING AN 100 HR INSPECTION, THE TAIL BOOM REQUIRES A VISUAL INSPECTION. UPON INSPECTION THERE WAS EVIDENCE OF SMOKING AROUND THE FORWARD NYLON SLEEVE WHERE THE PITCH CHANGE CONTROL TUBE TRAVEL THROUGH. FURTHER INVESTIGATION REVEALED INDEED THE NYLON SLEEVE Jun 17, 2005 · Robsin R44 · Rotorcraft Tail BoomSDR CA050615003Starter Gen · failed(CAN) THIS STARTER HAS BEEN SNAGGED AS INTERMITTENT ON ONE OTHER OCCASION. THE STARTER HAD 118.1 HRS TSO WHEN ORIGINAL PROBLEM EXISTED. THE STARTER HAS 299.3 TSO AND THE SAME PROBLEM HAS OCCURRED. DURING THE TIMES THE STARTER HAD PROBLEMS, THE RING GEAR SOMJun 12, 2005 · Robsin R44 · Starter-GeneratorSDR CA050614007Engine · making metal(CAN) WHILE CONDUCTING A 50 HR INSPECTION, THE OIL FILTER SHOWED EVIDENCE OF METAL CONTAMINATION. THERE HAVE BEEN NO COMPLAINTS FROM PILOTS IN REGARDS TO ENGINE OPERATION OR PARAMETERS. THE PARTICLES EVIDENT ARE ALUMINUM AND FEW METALLIC. THE ENGINE HAS BEEN Jun 12, 2005 · Robsin R44 · Engine (Reciprocating)SDR CA050621001Starter · failedDURING THE FIRST START OF THE DAY THE STARTER FAILED TO ENGAGE. THE STARTER WAS FOUND TO BE INTERMITTENT AND THE BENDIX IS SUSPECT. THE STARTER WAS REMOVED FOR FURTHER INVESTIGATION. AIRCRAFT WAS RETURNED TO SERVICE AND FLIGHT COMMENCED.Jun 10, 2005 · Robsin R44 · Starter-GeneratorSDR CA050615002Starter Gen · failed(CAN) WHILE CONDUCTING AN PRE INSPECTION RUN UP, THE STARTER WOULD ENGAGE AND WAS INTERMITTENT. THE STARTER WAS REMOVED AND NO FURTHER PROBLEMS WERE FOUND. THE BENDIX IS SUSPECT AND RETURNED FOR REPAIR.Jun 10, 2005 · Robsin R44 · Starter-GeneratorSDR AU510001442Muffler · unserviceable(AUS) MUFFLER ASSEMBLY DEFORMED AROUND EXHAUST PIPE.(OTHER CAUSE: MATERIAL - POSS CHANGE IN MATL. THICKNESS ) (CASA# 510001442)Jun 6, 2005 · Robsin R44 · Engine Noise SuppressorSDR CA050527009Venturi · contaminatedREPLACEMENT OF VENTURI, A GRANULAR (CRYSTALIZED) TYPE MATERIAL WAS FOUND IN THE VENTURI INLET AND IN THE REGULATOR AREA ACCESSED VIA THE BRASS HEX PLUG. WHEN THIS AREA WAS ACCESSED, THIS GRANULAR (POWDER LIKE) MATERIAL WAS THOUGHT TO BE CORROSION (RESULT OF).May 18, 2005 · Robsin R44 · Fuel Control/Reciprocating EnginesSDR CA050318001Spline · damaged(CAN) VIBRATIONS AND A NOISE WAS DETECTED BY AN ENGINEER DURING SHUT DOWN. FURTHER INVESTIGATION REVEALED THE INPUT YOKE RETAINING NUT WAS LOOSE. THIS IN TURN DAMAGED THE INPUT SPLINES BEYOND LIMITS AND THE GEAR BOX WAS REPLACED. THE INPUT SEAL P /N C996-3 HADJan 27, 2005 · Robsin R44 · Main Rotor GearboxSDR CA041228001Control System · malfunctioned(CAN) DURING CRUISE THE GOVERNOR WHICH CONTROLS THE ENGINE FROM AN OVERSPEED, MALFUNCTIONED WHICH CAUSED THE ENGINE AND MAIN ROTOR SYSTEMS TO OVERSPEED. DURING THE ENGINE TEARDOWN THE CRANKSHAFT GEAR WAS FOUND DAMAGED. THE CONNECTING ROD BEARINGS WERE ALSO Dec 28, 2004 · Robsin R44 · Main Rotor ControlSDR CA041231001Engine · overspeed(CAN) DURING A TRAINING FLIGHT, THE ENGINE HAD A UNCOMMAMDED OVERSPEED AND A FULL THROTTLE TO IDLE SPEED CONDITION. THE PILOTS RETURNED TO THE AIRPORT WHERE FURTHER INVESTIGATION COULD NOT DUPLICATE THE PROBLEM. THE PILOTS COULD NOT EXPLAIN TO THE REASON WHY TDec 17, 2004 · Robsin R44 · Engine (Reciprocating)SDR 2004FA0000923Blade · delaminatedPREFLIGHT INSPECTION FOUND ONE OF THE BLADES APPEARED TO HAVE SKIN SEPARATION AT TRAILING EDGE TIP APPROX 1/4" LONG. SENT DIGITAL PHOTO TO ROBINSON AND THEY REQUESTED BOTH BLADES BE SENT TO THEM FOR INSPECTION. UPON INSPECTION AT FACTORY BOTH BLADES WERE SCRDec 14, 2004 · N667SA · Robsin R44 · Main Rotor BladesSDR CA041209015Warning System · inoperative(CAN) DURING PILOT DAILY INSPECTION, THE LOW RPM WARNING UNIT WAS INOP. TECHNICIAN CONFIRMED THAT SYSTEM WAS DEFECTIVE AFTER TROUBLESHOOTING AND PART HAS BEEN REPLACED AND FOUND SERVICEABLE.Dec 6, 2004 · Robsin R44 · Engine RPM Indicating SystemSDR CA060306009Horn · failed(CAN) HORN NOT PRODUCING HORN SOUND. HORN REPLACED. (TC NR 20060306009)Nov 11, 2004 · Robsin R44 · Main Rotor Indicating SystemSDR R7S2005F00000Nut · wornDURING A 100 HOUR INSPECTION, THE ROD END BEARING JAM NUT ON CONTROL TUBE (C336-1) AT THE CARBURETOR ATTACHMENT ARM WAS FOUND TO BE ONLY HAND TIGHT. THE ORIGINAL SAFETY WIRE INSTALLED BY THE FACTORY WAS STILL IN PLACE, BUT THE ROD END BEARING WAS ALLOWED TO MNov 2, 2004 · N748BP · Robsin R44 · Fuel Control/Reciprocating EnginesSDR CA041008001Anchor · broken(CAN) DURING A ROUTINE INSPECTION THE PILOTS IB SEAT BELT ATTACHMENT POINT HAD BEEN FOUND CRACKED. THE ANCHOR HAD BEEN PULLED SLIGHTLY AND THE ANCHOR BROKE COMPLETELY OFF. DURING INSPECTION SCHEDULES, THE CONCERNED AREA IS BEING CLOSELY MONITORED.Oct 5, 2004 · Robsin R44 · Flight Compartment EquipmentSDR CA040910003Engine · making metal(CAN) DURING AN SCHEDULED INSPECTION, THE OIL FILTER WAS LITTERED WITH METAL CONTAMINATION. THERE WAS EVIDENCE OF BRASS, ALUMINUM AND FERRIOUS METAL. THE ENGINE WAS REMOVED AND WILL BE SENT TO THE OVERHAUL SHOP FOR FURTHER INVESTIGATION. THE PISTON PIN PLUGS ASep 8, 2004 · Robsin R44 · Engine (Reciprocating)SDR CA040831020Engine · making metalMAINTENANCE WAS CONDUCTING A 50 HR INSPECTION AND EXCESSIVE METAL IN FILTER. THE ENGINE WAS REMOVED FROM THE AIRCRAFT AND SENT TO AN OVERHAUL FACILITY. THE ENGINE WAS TORN DOWN AND INTERNAL COMPONENTS REVEALED THAT THE MAIN BEARING HAD FAILED DUE A OVERSPEEDAug 30, 2004 · Robsin R44 · Engine (Reciprocating)SDR CA040820004Transmission · noisy(CAN) DURING LANDING THE HEARD GRINDING NOISE. FURTHER INVESTIGATION REVEALED NOISE WAS COMING FROM MAIN ROTOR TRANSMISSION. TRANSMISSION WAS REPLACED AND NO FURTHER OCCURRENCES AND WILL SUBMIT FURTHER INFORMATION WHEN TEAR DOWN OF TRANSMISSION REPORT BECOMESAug 17, 2004 · Robsin R44 · Main Rotor GearboxSDR CA040809003Buckle · cracked(CAN) DURING A 100 HOUR INSPECTION, ENGINEER FOUND CRACKS PROPAGATED FROM TWO RIVETS UNDER BUCKLE. PLASTIC COVER WAS MOVED BACK AND FURTHER CRACKS WERE FOUND ALONG RIVET LINE OF THE STAINLESS ADAPTER TO PIVOT POINT OF THE BELT ASSEMBLY. TWO OTHER CASES HAVE BAug 2, 2004 · Robsin R44 · Flight Compartment EquipmentSDR CA040809002Ignition Switch · overheated(CAN) DURING APPROACH, AN ENGINEER ONBOARD SMELLED ODOR OF BURNING ELECTRICAL WIRES. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. FURTHER INVESTIGATION FOUND IGNITION SWITCH WAS THE CULPRIT. THE CONTACTS OVERHEATED CAUSING THE PLASTIC TO SLIGHTLY BURN. ONE MAAug 2, 2004 · Robsin R44 · Ignition SwitchingSDR Z2M2004F00000Cylinder · faultySEAT BELT BEGAN TO HANG UP, EVERY TIME IT WAS EXTENDED (INERTIA REEL WAS ENGAGED). REPLACED SEAT BELT AND RETRACTOR UNIT WITH NEW ONE.Jul 3, 2004 · N7036J · Robsin R44 · Emergency EquipmentSDR CA040702001Bearing · worn(CAN) AFTER THE ALTERNATOR BELT BROKE FOR THE SECOND TIME IN 8 HOURS, IT WAS NOTICED THAT THE ALTERNATOR PULLEY, ALTHOUGH SMOOTH WHEN TURNED BY HAND, WAS ABLE TO MOVE SIDEWAYS ABOUT AN EIGHT OF AN INCH. WE DID NOT DISSASSEMBLE THE UNIT BUT IT IS SAFE TO ASSUJun 30, 2004 · Robsin R44 · AC Generator-AlternatorSDR Z3M2004F00001Alternator · faultyALTERNATOR FAILED WITHOUT ANY PREVIOUS INDICATIONS. REPLACED ALTERNATOR.Jun 28, 2004 · N7036J · Robsin R44 · AC Generation SystemSDR AUS20040396Shield · separated(AUS) EXHAUST SHIELD MISSING. ATTACHMENT TABS REMAINED ON EXHAUST ASSEMBLY.May 11, 2004 · Robsin R44 · Engine Collector/Tailpipe/NozzleSDR AUS20040319Pump · leaking(AUS) AIRCRAFT MOUNTED ENGINE FUEL PUMP LEAKING.Apr 30, 2004 · Robsin R44 · Engine Fuel PumpSDR AUS20040363Bearing · failed(AUS) LT MAGNETO BEARING FAILED.Apr 24, 2004 · Robsin R44 · Magneto/DistributorSDR AUS20040307Bolt · missing(AUS) CRANKCASE BOLT MISSING. OIL LEAKING FROM CRANKCASE. ENGINE HAD JUST BEEN FITTED AND AIRCRAFT WAS ON TEST FLIGHT. PERSONNEL/MAINTENANCE ERROR.Apr 22, 2004 · Robsin R44 · FastenersSDR CA040220004Wheel · broken(CAN) BROKEN ALTERNATOR FAN WHEEL. REPLACED WHEEL.Feb 16, 2004 · Robsin R44 · Alternator-Generator DriveSDR Z3M2004F00000Alternator · failedALTERNATOR FAILED TO PRODUCE ADEQUATE VOLTAGE UNDER HIGH LOADS. REPLACED ALTERNATOR.Feb 12, 2004 · N7036J · Robsin R44 · DC Generator-Alternator
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